#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

const char* ssid = "Wokwi-GUEST";
const char* senha = "";
String url = "https://callback-iot.up.railway.app/data";

DynamicJsonDocument doc(50); 

unsigned long ultimoHorario = 0;
// Temporizador: 10.000ms (10s)
unsigned long temporizador = 10000;

void setup() {
  Serial.begin(115200); 
  WiFi.begin(ssid, senha);
  Serial.println("Conectando Wi-Fi");
  while(WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.print("\nConectado: IP ");
  Serial.println(WiFi.localIP());
}

void loop() {
  // Enviar conforme temporizador
  if ((millis() - ultimoHorario) > temporizador) {
    if(WiFi.status()== WL_CONNECTED) {
      HTTPClient http;
      http.begin(url.c_str());
      int res = http.GET();
      
      if (res > 0) {
        Serial.print("HTTP Response code: ");
        Serial.println(res);
        String conteudo = http.getString();
        Serial.println(conteudo);
        DeserializationError erro = deserializeJson(doc, conteudo);
        if (!erro) {
          for (int i = 0; doc[i]; i++) {
            float temp = doc[i]["temperature"];
            float umid = doc[i]["humidity"];
            float pres = doc[i]["pressure"];
            Serial.print(temp);
            Serial.print("°C, ");
            Serial.print(umid);
            Serial.print("%, ");
            Serial.print(pres);
            Serial.println("hPa");
          }
        }
        else {
          Serial.print("Erro JSON: ");
          Serial.println(erro.f_str());
        }
      }
      else {
        Serial.print("ERRO HTTP: ");
        Serial.println(res);
      }
      http.end();
    }
    else {
      Serial.println("ERRO WiFi Desconectado.");
    }
    ultimoHorario = millis();
  }
}